GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/9726
[SPARK-11750][SQL] revert SPARK-11727 and code clean up
After some experiment, I found it's not convenient to have separate encoder
builders: `FlatEncoder` and `ProductEncoder`. For example, when create encoders
for `ScalaUDF`, we have no idea if the type `T` is flat or not. So I revert the
splitting change in https://github.com/apache/spark/pull/9693, while still
keeping the bug fixes and tests.
This PR also did some code clean up, like removing `trait ScalaReflection`
and put all methods just in `object ScalaReflection`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark follow
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9726.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #9726
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commit 6dbc1247f6f4a3a0ac50828ec64672a793a76c7b
Author: Wenchen Fan <[email protected]>
Date: 2015-11-16T05:04:26Z
revert #11727
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